[cisco-voip] Add new vCPU of CUCM server

[Anthony Holloway]

Yes.  You would need to shutdown the VM first, and then just add the new
vCPU count under Edit Settings of the VM.  It's the disks which you cannot
simply increase from within VMWare.

This is something I did recently during an upgrade of CUCM from 8x to 10x
on a C210M2 which was using the 2500 user OVA.

This is what I read which prompted me to change mine:

“The 2500 user VM configuration with one vcpu may exhibit performance
issues during CPU/IO-intensive operations (such as installs, upgrades,
backups and CDR writes), or if your deployment has certain characteristics
such as a large quantity of TFTP files. Changing the VM config to 2 vcpu is
recommended as a prevention strategy.”

Source:
http://docwiki.cisco.com/wiki/Virtualization_for_Cisco_Unified_Communications_Manager_(CUCM)#Notes_on_2500_user_VM_configurations

On Mon Feb 23 2015 at 5:42:14 PM Claiton Campos <claitoncampos at gmail.com>
wrote:

> Hello , someone has come to change the amount of vCPU a CUCM server in production? Recently 'm having problems with high throughput publisher server and as directed by the TAC is suggested to add a new vCPU to the server. My question is whether the server recognizes this new vCPU .
>
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